AT121056B - Process for purifying gases. - Google Patents
Process for purifying gases.Info
- Publication number
- AT121056B AT121056B AT121056DA AT121056B AT 121056 B AT121056 B AT 121056B AT 121056D A AT121056D A AT 121056DA AT 121056 B AT121056 B AT 121056B
- Authority
- AT
- Austria
- Prior art keywords
- gases
- sodium
- glass
- purifying gases
- introduction
- Prior art date
Links
Landscapes
- Treating Waste Gases (AREA)
Description
<Desc/Clms Page number 1>
Verfahren zur Reinigung von Gasen.
Die hohe chemische Aktivität der Alkali-bzw. Erdalkalimetalle macht dieselben vorzüglich geeignet, um Gase, insbesondere die sogenannten Edelgase. von gasförmigen Verunreinigungen zu befreien.
In der Vakuumtechnik, bei der Herstellung von gasgefüllten Entladungsrohren, Glühlampen
EMI1.1
sich die Einführung des betreffenden Metalles in den Gasraum in sehr einfacher und bequemer Weise bewerkstelligen, indem man die innere Wandfläche des das Gas enthaltenden oder eines mit dem Gasraum kommunizierenden Glasgefässe mit einer d9nnen Metallschicht versieht und diesen Teil der Glaswand einer Elektrolyse bei entsprechender Temperatur unterwirft. wobei als Kathode die Metallsehicht, als Anode irgendein mit der äusseren Glasfläche in Berührung stehender Leiter benutzt wird.
Zweckmässig verwendet man als Anode die Schmelze eines Salzes, welches das einzuführende Metall enthält. also im Falle der Natriumeinführung ein Natriumsalz (etwa Natriumnitrat). wodurch die unbeschränkte Einführung des Natriums bei unveränderter Glaszusummensetzung ermöglicht wird. Bei dieser Elektrolyse wandern die im Glas enthaltenen positiven Metallionen, insbesondere die Natriumionen, nach der Kathode, diffundieren dann als neutrale Atome durch diese hindurch und werden in dem Gasraum in Dampfform frei. Ein für kontinuierliche Reinigung von strömenden Gasen geeignetes Ausführungs- beispiel des erfindungsgemässen Verfahrens bzw. der Einrichtung ist in der Zeichnung schematisch dar-
EMI1.2
auf entsprechender Temperatur gehaltene Salzschmelze 3.
Die innere Oberfläche des gekrümmten Rohrteiles ist mit einem Metallüberzug 4 versehen ; ein in die Glasröhre eingeschmozener Zuführungsdraht 5 dient als Zuleitung des Stromes zum Metallüberzug. Der negative Pol einer Stromquelle 6 ist mit letzterem,
EMI1.3
fernzuhalten, empfiehlt es sich, unmittelbar nach der Einführungsstelle des Natriums einen stark gekühlten Röhrenabschnitt einzufügen.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for purifying gases.
The high chemical activity of the alkali or. Alkaline earth metals make them ideally suited to gases, especially the so-called noble gases. to free from gaseous impurities.
In vacuum technology, in the manufacture of gas-filled discharge tubes, incandescent lamps
EMI1.1
the introduction of the metal in question into the gas space can be accomplished in a very simple and convenient manner by providing the inner wall surface of the glass vessel containing the gas or of a glass vessel communicating with the gas space with a thin metal layer and subjecting this part of the glass wall to electrolysis at the appropriate temperature. The metal layer is used as the cathode and any conductor in contact with the outer glass surface is used as the anode.
It is expedient to use the melt of a salt which contains the metal to be introduced as the anode. so in the case of sodium introduction a sodium salt (e.g. sodium nitrate). whereby the unrestricted introduction of sodium is made possible with unchanged glass composition. During this electrolysis, the positive metal ions contained in the glass, in particular the sodium ions, migrate to the cathode, then diffuse through it as neutral atoms and are released in vapor form in the gas space. An exemplary embodiment of the method or the device according to the invention which is suitable for continuous cleaning of flowing gases is shown schematically in the drawing.
EMI1.2
Melted salt kept at the appropriate temperature 3.
The inner surface of the curved pipe part is provided with a metal coating 4; a feed wire 5 melted into the glass tube serves as a feed line for the current to the metal coating. The negative pole of a power source 6 is connected to the latter,
EMI1.3
to keep away, it is advisable to insert a strongly cooled tube section immediately after the site of introduction of the sodium.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT121056T | 1929-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT121056B true AT121056B (en) | 1931-01-26 |
Family
ID=3632290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT121056D AT121056B (en) | 1929-08-28 | 1929-08-28 | Process for purifying gases. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT121056B (en) |
-
1929
- 1929-08-28 AT AT121056D patent/AT121056B/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1608738B1 (en) | METHODS FOR ELECTROLYTIC CLEANING OF METALS | |
AT121056B (en) | Process for purifying gases. | |
GB489742A (en) | Improvements in and relating to the treatment of substances containing tantalum and/or niobium | |
DE736713C (en) | Process for the production of cobalt tubes by electrolytic means | |
GB599188A (en) | Improvements in and relating to the electrolytic treatment of aluminium and the like | |
DE836569C (en) | Method for protecting the carbon electrodes of electric ovens | |
AT124891B (en) | Process for making photoelectric cells. | |
GB396041A (en) | Improved method of purifying mercury which has been used as a cathode in electrolysis | |
AT150993B (en) | Device for the electrolytic extraction of light metals, in particular alkali metals from mixtures of molten metal salts. | |
DE671314C (en) | Process for the production of fluorine-containing layers on light metals and their alloys | |
DE971563C (en) | Process for the production of firmly adhering coatings made of tungsten or molybdenum or their alloys by vapor deposition | |
SU61995A1 (en) | Electrolytic Cobalt Production Method | |
DE514606C (en) | Process for the production of glow cathodes for electron tubes coated with alkaline earth oxides, especially barium oxide | |
GB392678A (en) | Improvements in and relating to electric discharge devices | |
DE546292C (en) | Process for the manufacture of oxide cathodes | |
DE593142C (en) | Inert gas-filled discharge tubes | |
DE948600C (en) | Method and device for cleaning titanium tetrachloride | |
AT165491B (en) | Converter tube with graphite anode | |
AT32195B (en) | Process for producing mainly thin metal filaments for electric light bulbs. | |
DE929128C (en) | Process for the production of acetic acid from carbon dioxide and methanol | |
DE460378C (en) | Sulfur-resistant silver alloys | |
DE639783C (en) | Process for forming wick electrodes, which are produced from powdered pure tungsten or a similar metal by weak sintering, for mercury vapor discharge devices | |
DE639611C (en) | Process for the concentration of aqueous glycolic acid nitrile solutions | |
DE579797C (en) | Process for the production of drawn wires, in particular welding wires | |
SU103185A1 (en) | The composition of the electrolyte bath for the deposition of lead-indium alloy |